File system needs to be upgraded. You have version null and I want version 7
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安装hbase时候报错: File system needs to be upgraded. You have version null and I want version 7
注: 我安装的hbase依赖于hdfs, hdfs是有nameservice的。
解决方法:
1. 首先查看hbase的配置文件,hbase-site.xml, 找到hbase.rootdir的value值, 这个值里面的/hbase1 中存放了hbase的信息
<property>
<name>hbase.rootdir</name>
<value>hdfs://nameservice1/hbase1</value>
</property>
2. 在安装hmaster的机器上切换到hdfs用户
su hdfs
3. 在hdfs用户下执行
hadoop fs -rm -r -skipTrash /hbase1
删除/hbase1, 然后重启hbase master。
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